NPPES file of Aug 9, 2026

Megan M. Lieu, O.D.

Optometrist · Tustin, CA

Megan M. Lieu, O.D. is an optometrist with a practice address in Tustin, California, and NPI 1851443998, issued on Jan 17, 2007. Check the license (California 12917, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851443998
Name
Megan M. Lieu
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
12917 CA
Self-reported in NPPES; status is on the state search
Practice location
2831 Park Ave, Tustin, CA 92782
Phone
(714) 258-7525
Enumerated
Jan 17, 2007
Record last updated
Sep 1, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2831 Park Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cindy Yang, O.D.Optometrist1750434262
  2. Lori Yoo, ODOptometrist1023129939

Verify Megan M. Lieu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 12917
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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Industry payments in 2024: $35.57

2 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Megan Lieu$35.57
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Megan M. Lieu among 8,308 optometrist records in California

Megan M. Lieu, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2022 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 optometrist records list a practice address in Tustin

They are 33 of the 2,221 NPPES records with a practice address in Tustin, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Susan Chen, O.D.Tustin, CA 927821427101021
  2. Lulu Kim, ODTustin, CA 927821194878744
  3. Robert KleinbergTustin, CA 927821598815052
  4. Negar Mosallanejad, ODTustin, CA 927821598652612
  5. Amy Ngo, ODTustin, CA 927821952886988
  6. Ann Nguyen, ODTustin, CA 927821831226497
  7. Cathy Ong, O.D.Tustin, CA 927821801123518
  8. Yasmin Pishvaiy, ODTustin, CA 927821972340271

Common questions

What is Megan M. Lieu, O.D.'s NPI number?

Megan M. Lieu, O.D.'s National Provider Identifier (NPI) is 1851443998, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Megan M. Lieu, O.D. located?

The NPPES record lists a practice address at 2831 Park Ave, Tustin, CA, 92782. Phone: (714) 258-7525. Providers update this record themselves, so call before visiting.

How can I verify Megan M. Lieu, O.D.'s license?

NPPES lists California license number 12917, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.